From patchwork Tue Jan 19 07:21:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vaittinen, Matti" X-Patchwork-Id: 367381 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A474C433E0 for ; Tue, 19 Jan 2021 07:22:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C619323132 for ; Tue, 19 Jan 2021 07:22:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730678AbhASHWg (ORCPT ); Tue, 19 Jan 2021 02:22:36 -0500 Received: from mail-lf1-f47.google.com ([209.85.167.47]:33451 "EHLO mail-lf1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730597AbhASHWV (ORCPT ); Tue, 19 Jan 2021 02:22:21 -0500 Received: by mail-lf1-f47.google.com with SMTP id v67so27666645lfa.0; Mon, 18 Jan 2021 23:21:57 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=yuol3XCJ+uJshcSsbfW6MAHHBCYuOW9vHmPszs5r2uE=; b=rGxBxQ7LXXkK8lzItN3KOdLaPLNCUc/T78n1VJ7bZo3pNILl8DA9muWiMvrKc7Kicu XfMX1qEMUhdH6S83aNQq4gzUmjeT6xV7+d+LHkEqhWQbRxH7EA/HvjcmUOJoG9E+HIK1 +IIDbwqgiJajqGrSNGgbQ5r3rOlnQYKV049gTzG1g0tb3Tc0SMIHU1Aeq/6gqVDcPxzv tCUHmQDaw/cEab17SLz11qTCjktGR2wNlLKG9ls788Xp3eDwvcdUE0/4v8NN0zS08xuy STUkFNjfCur2CzRLvR/SPuikZnsY892/acViTvOFnsl3eeljozLR1bGkjozNoVnpVpoK HfOg== X-Gm-Message-State: AOAM533h3oF8jae9t4ZSngtv8NvMS/iBlvoQitCSS8YUG39lQaRHiZ4M 74JiSweFaicrKkQJZqzBXs8= X-Google-Smtp-Source: ABdhPJwDDsr2dFWaDyEIXAFjRUepvFCDCV637htUh0CXr7GctVRcWaGSH+/U4uu3MEBdAj75hHalFA== X-Received: by 2002:ac2:5234:: with SMTP id i20mr1240210lfl.71.1611040891700; Mon, 18 Jan 2021 23:21:31 -0800 (PST) Received: from localhost.localdomain (62-78-225-252.bb.dnainternet.fi. [62.78.225.252]) by smtp.gmail.com with ESMTPSA id o14sm2186188lfi.92.2021.01.18.23.21.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Jan 2021 23:21:31 -0800 (PST) Date: Tue, 19 Jan 2021 09:21:23 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Lee Jones , Rob Herring , Liam Girdwood , Mark Brown , Matti Vaittinen , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Alessandro Zummo , Alexandre Belloni , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-power@fi.rohmeurope.com, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH v2 07/17] dt_bindings: mfd: Add ROHM BD71815 PMIC Message-ID: <5e58cc041572d8540b4f1fbeea7bde955d6b2ea6.1611037866.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Document DT bindings for ROHM BD71815. BD71815 is a single-chip power management IC mainly for battery-powered portable devices. The IC integrates 5 bucks, 7 LDOs, a boost driver for LED, a battery charger with a Coulomb counter, a real-time clock, a 32kHz clock and two general-purpose outputs although only one is documented by the data-sheet. Signed-off-by: Matti Vaittinen Reviewed-by: Rob Herring --- Changes since v1: - fixed patch ordering to meet ref dependencies - added missing blank lines - clkout-mode changed from string to tristated (uint) - added default for rsense resistor .../bindings/mfd/rohm,bd71815-pmic.yaml | 202 ++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd71815-pmic.yaml diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71815-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71815-pmic.yaml new file mode 100644 index 000000000000..b52b8585d48d --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71815-pmic.yaml @@ -0,0 +1,202 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/rohm,bd71815-pmic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71815 Power Management Integrated Circuit bindings + +maintainers: + - Matti Vaittinen + +description: | + BD71815AGW is a single-chip power management ICs for battery-powered + portable devices. It integrates 5 buck converters, 8 LDOs, a boost driver + for LED and a 500 mA single-cell linear charger. Also included is a Coulomb + counter, a real-time clock (RTC), and a 32.768 kHz clock gate and two GPOs. + +properties: + compatible: + const: rohm,bd71815 + + reg: + description: + I2C slave address. + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + The first cell is the pin number and the second cell is used to specify + flags. See ../gpio/gpio.txt for more information. + + clocks: + maxItems: 1 + + "#clock-cells": + const: 0 + + clock-output-names: + const: bd71815-32k-out + + rohm,clkout-open-drain: + description: clk32kout mode. Set to 1 for "open-drain" or 0 for "cmos". + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 1 + + rohm,charger-sense-resistor-ohms: + minimum: 10000000 + maximum: 50000000 + description: | + BD71827 and BD71828 have SAR ADC for measuring charging currents. + External sense resistor (RSENSE in data sheet) should be used. If + something other but 30MOhm resistor is used the resistance value + should be given + here in Ohms. + default: 30000000 + + regulators: + $ref: ../regulator/rohm,bd71815-regulator.yaml + description: + List of child nodes that specify the regulators. + + gpio-reserved-ranges: + description: | + Usage of BD71828 GPIO pins can be changed via OTP. This property can be + used to mark the pins which should not be configured for GPIO. Please see + the ../gpio/gpio.txt for more information. + + rohm,enable-hidden-gpo: + description: | + The BD71815 has undocumented GPO at pin E5. Pin is marked as GND at the + data-sheet as it's location in the middle of GND pins makes it hard to + use on PCB. If your board has managed to use this pin you can enable the + second GPO by defining this property. Dont enable this if you are unsure + about how the E5 pin is connected on your board. + type: boolean + +required: + - compatible + - reg + - interrupts + - clocks + - "#clock-cells" + - regulators + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic: pmic@4b { + compatible = "rohm,bd71815"; + reg = <0x4b>; + + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + + clocks = <&osc 0>; + #clock-cells = <0>; + clock-output-names = "bd71815-32k-out"; + + gpio-controller; + #gpio-cells = <2>; + + rohm,charger-sense-resistor-ohms = <10000000>; + + regulators { + buck1: buck1 { + regulator-name = "buck1"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <2000000>; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <1150000>; + rohm,dvs-suspend-voltage = <950000>; + }; + buck2: buck2 { + regulator-name = "buck2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <2000000>; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <1150000>; + rohm,dvs-suspend-voltage = <950000>; + }; + buck3: buck3 { + regulator-name = "buck3"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <2700000>; + regulator-always-on; + }; + buck4: buck4 { + regulator-name = "buck4"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1850000>; + regulator-always-on; + }; + buck5: buck5 { + regulator-name = "buck5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo1: ldo1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo2: ldo2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo3: ldo3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo4: ldo4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo5: ldo5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + ldo6: ldodvref { + regulator-name = "ldodvref"; + regulator-always-on; + }; + ldo7: ldolpsr { + regulator-name = "ldolpsr"; + regulator-always-on; + }; + + boost: wled { + regulator-name = "wled"; + regulator-min-microamp = <10>; + regulator-max-microamp = <25000>; + }; + }; + }; + };